141631816 has 8 divisors (see below), whose sum is σ = 265559670. Its totient is φ = 70815904.

The previous prime is 141631807. The next prime is 141631817. The reversal of 141631816 is 618136141.

It can be written as a sum of positive squares in only one way, i.e., 135629316 + 6002500 = 11646^2 + 2450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (141631817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8851981 + ... + 8851996.

Almost surely, 2^141631816 is an apocalyptic number.

It is an amenable number.

141631816 is a deficient number, since it is larger than the sum of its proper divisors (123927854).

141631816 is a wasteful number, since it uses less digits than its factorization.

141631816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17703983 (or 17703979 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 141631816 is about 11900.9166033546. The cubic root of 141631816 is about 521.2590496582.

Adding to 141631816 its reverse (618136141), we get a palindrome (759767957).

The spelling of 141631816 in words is "one hundred forty-one million, six hundred thirty-one thousand, eight hundred sixteen".